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By National Research Council, Division on Engineering and Physical Sciences, Board on Army Science and Technology, Committee on Review and Evaluation of Alternative Technologies for the Demilitarization of Assembled Chemical Weapons: Phase II

The application supervisor for Assembled Chemical guns evaluate (PMACWA) of the dept of security (DOD) asked the nationwide study Council (NRC) to evaluate the engineering layout reports (EDSs) constructed by means of Parsons/Honeywell and basic Atomics for a chemical demilitarization facility to fully put off the assembled chemical guns on the Pueblo Chemical Depot in Pueblo, Colorado. to complete the duty, the NRC shaped the Committee on overview and review of other applied sciences for Demilitarization of Assembled Chemical guns: part II (ACW II Committee). This document provides the result of the committee's clinical and technical overview, so one can support the place of work of the Secretary of safeguard in determining the know-how package deal for destroying the chemical munitions at Pueblo.

The committee evaluated the engineering layout applications proposed via the know-how services and the linked experimental reviews that have been played to validate unproven unit operations. an important a part of the trying out software concerned increasing the know-how base for the hydrolysis of vigorous fabrics linked to assembled guns. This procedure used to be a priority expressed by means of the Committee on evaluation and evaluate of different applied sciences for Demilitarization of Assembled Chemical guns (ACW I Committee) in its unique record in 1999 (NRC, 1999). the current research happened because the experimental reviews have been in development. every now and then, checks for many of the helping unit operations weren't accomplished in time for the committee to include effects into its overview. In these situations, the committee pointed out and mentioned strength troublesome areas in those operations. in accordance with its services and its competitive data-gathering actions, the committee used to be capable of behavior a entire overview of the try out information that were accomplished for the final process layout. This record summarizes the study.

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Extra info for Analysis of Engineering Design Studies for Demilitarization of Assembled Chemical Weapons at Pueblo Chemical Depot (The Compass series)

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The Radford Army Ammunition Plant (RAAP) is responsible for production of M28 simulant hydrolysate. Because the EDS test program had not been completed at the time this report was submitted, only interim results were evaluated. Testing at the Holston Army Ammunition Plant The reactor at HAAP has the following characteristics: • a 2,000-gallon, glass-lined, jacketed reactor vessel • a recirculation loop, unheated and uninsulated, that 20 ANALYSIS OF ENGINEERING DESIGN STUDIES FOR DEMILITARIZATION OF ASSEMBLED CHEMICAL WEAPONS AT PUEBLO reenters the reactor vessel at the bottom • a dual-flight, Hastelloy C, variable-speed agitator in the reactor vessel • a condenser/scrubber for off-gases • pH-, temperature-, and flowmeters The energetic feeder is a single-screw, loss-in-weight feeder with a 500 lb/hr capacity.

S. Army, 1997. S. Army, 1988. S. Army, 1997. S. Army, 1997. Weapon Types The mustard at Pueblo Chemical Depot is stored in artillery and mortar projectiles, which include a variety of other chemical compounds that must also be destroyed. The term “assembled chemical weapon” describes munitions that contain chemical agents. Mortars are typically stored with energetic components in place; projectiles may or may not contain bursters or fuzes. More detailed descriptions of these munitions are provided in Appendix A.

Partially digested propellant spilled onto the floor, but the propellant did not ignite. The system was cooled; contents of the tank were left in place, pending a decision on how to remove them safely. The chain of events leading up to the pressure rupture of the pipes appears to have started with the ingestion of partially decomposed propellant grains into the recirculation line. The recirculation pumps became clogged with the grains, and when the valves were closed at the intake and pump ends of the lower leg of the recirculation loop, the mixture of caustic and propellant was trapped in the piping and there was no way for the gases generated by the decomposition of the propellant to escape.

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